<!DOCTYPE html>
<HTML>
<HEAD>
	<TITLE> ZTREE DEMO - reAsyncChildNodes</TITLE>
	<meta http-equiv="content-type" content="text/html; charset=UTF-8">
	<link rel="stylesheet" href="../../../css/demo.css" type="text/css">
	<link rel="stylesheet" href="../../../css/zTreeStyle/zTreeStyle.css" type="text/css">
	<script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script>
	<script type="text/javascript" src="../../../js/jquery.ztree.core-3.5.js"></script>
	<!--  <script type="text/javascript" src="../../../js/jquery.ztree.excheck-3.5.js"></script>
	  <script type="text/javascript" src="../../../js/jquery.ztree.exedit-3.5.js"></script>-->
	<SCRIPT type="text/javascript">
		<!--
		var setting = {
			view: {
				selectedMulti: false
			},
			async: {
				enable: true,
				url:"../asyncData/getNodes.php",
				autoParam:["id", "name=n", "level=lv"],
				otherParam:{"otherParam":"zTreeAsyncTest"},
				dataFilter: filter
			},
			callback: {
				beforeClick: beforeClick,
				beforeAsync: beforeAsync,
				onAsyncError: onAsyncError,
				onAsyncSuccess: onAsyncSuccess
			}
		};

		function filter(treeId, parentNode, childNodes) {
			if (!childNodes) return null;
			for (var i=0, l=childNodes.length; i<l; i++) {
				childNodes[i].name = childNodes[i].name.replace(/\.n/g, '.');
			}
			return childNodes;
		}
		function beforeClick(treeId, treeNode) {
			if (!treeNode.isParent) {
				alert("请选择父节点");
				return false;
			} else {
				return true;
			}
		}
		var log, className = "dark";
		function beforeAsync(treeId, treeNode) {
			className = (className === "dark" ? "":"dark");
			showLog("[ "+getTime()+" beforeAsync ]&nbsp;&nbsp;&nbsp;&nbsp;" + ((!!treeNode && !!treeNode.name) ? treeNode.name : "root") );
			return true;
		}
		function onAsyncError(event, treeId, treeNode, XMLHttpRequest, textStatus, errorThrown) {
			showLog("[ "+getTime()+" onAsyncError ]&nbsp;&nbsp;&nbsp;&nbsp;" + ((!!treeNode && !!treeNode.name) ? treeNode.name : "root") );
		}
		function onAsyncSuccess(event, treeId, treeNode, msg) {
			showLog("[ "+getTime()+" onAsyncSuccess ]&nbsp;&nbsp;&nbsp;&nbsp;" + ((!!treeNode && !!treeNode.name) ? treeNode.name : "root") );
		}
		
		function showLog(str) {
			if (!log) log = $("#log");
			log.append("<li class='"+className+"'>"+str+"</li>");
			if(log.children("li").length > 8) {
				log.get(0).removeChild(log.children("li")[0]);
			}
		}
		function getTime() {
			var now= new Date(),
			h=now.getHours(),
			m=now.getMinutes(),
			s=now.getSeconds(),
			ms=now.getMilliseconds();
			return (h+":"+m+":"+s+ " " +ms);
		}

		function refreshNode(e) {
			var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
			type = e.data.type,
			silent = e.data.silent,
			nodes = zTree.getSelectedNodes();
			if (nodes.length == 0) {
				alert("请先选择一个父节点");
			}
			for (var i=0, l=nodes.length; i<l; i++) {
				zTree.reAsyncChildNodes(nodes[i], type, silent);
				if (!silent) zTree.selectNode(nodes[i]);
			}
		}

		$(document).ready(function(){
			$.fn.zTree.init($("#treeDemo"), setting);
			$("#refreshNode").bind("click", {type:"refresh", silent:false}, refreshNode);
			$("#refreshNodeSilent").bind("click", {type:"refresh", silent:true}, refreshNode);
			$("#addNode").bind("click", {type:"add", silent:false}, refreshNode);
			$("#addNodeSilent").bind("click", {type:"add", silent:true}, refreshNode);
		});
		//-->
	</SCRIPT>

</HEAD>

<BODY>
<h1>用 zTree 方法异步加载节点数据</h1>
<h6>[ 文件路径: core/async_fun.html ]</h6>
<div class="content_wrap">
	<div class="zTreeDemoBackground left">
		<ul id="treeDemo" class="ztree"></ul>
	</div>
	<div class="right">
		<ul class="info">
			<li class="title"><h2>1、reAsyncChildNodes 方法操作说明</h2>
				<ul class="list">
				<li class="highlight_red">使用 zTreeObj.reAsyncChildNodes 方法，详细请参见 API 文档中的相关内容</li>
				<li><p>此 Demo 只能同时选中一个父节点<br/>
					试试看：[ <a id="refreshNode" href="#" onclick="return false;">重新加载</a> ]&nbsp;&nbsp;&nbsp;&nbsp;[ <a id="addNode" href="#" onclick="return false;">追加</a> ]</p>
				</li>
				<li><p><span class="highlight_red">“悄悄地”操作只能针对 折叠状态 的父节点</span><br/>
					试试看：[ <a id="refreshNodeSilent" href="#" onclick="return false;">悄悄地 重新加载</a> ]&nbsp;&nbsp;&nbsp;&nbsp;[ <a id="addNodeSilent" href="#" onclick="return false;">悄悄地 追加</a> ]<br/>
					async log:<br/>
					<ul id="log" class="log"></ul></p>
				</li>
				</ul>
			</li>
			<li class="title"><h2>2、setting 配置信息说明</h2>
				<ul class="list">
				<li class="highlight_red">使用 zTree 提供的 reAsyncChildNodes 方法也必须设置 setting.async 中的各个属性，详细请参见 API 文档中的相关内容</li>
				</ul>
			</li>
			<li class="title"><h2>3、treeNode 节点数据说明</h2>
				<ul class="list">
				<li>同 "异步加载 节点数据" 中的说明</li>
				</ul>
			</li>
			<li class="title"><h2>4、其他说明</h2>
				<ul class="list">
				<li>同 "异步加载 节点数据" 中的说明</li>
				</ul>
			</li>
		</ul>
	</div>
</div>
</BODY>
</HTML>